Set the new structure of gestioCOF

- `cof` is renamed `gestioCOF`
- `gestioncof` become `cof` (yes it looks pretty stupid but it is not)
- `bds` is created

cof/templates/base_title.html

@@ -0,0 +1,20 @@
+{% extends "base_header.html" %}
+
+{% block interm_content %}
+<div class="container hidden-xs espace"></div>
+<div class="container">
+    <div class="row row-centered">
+        <div class="col-xs-12 {%block page_size%}col-sm-12{%endblock%} col-centered" id="main-content">
+        {% block realcontent %}{% endblock %}
+        </div>
+    </div>
+    <div class="home-menu row row-centered">
+        <div class="visible-xs-block col-xs-12 title-foot">
+            <div class="foot-banner">
+                <h3>Pour tout problème : <tt>cof@ens.fr.</tt></h3>
+            </div>
+        </div>
+    </div><!-- /.row.home-menu -->
+</div>
+<div class="container hidden-xs espace"></div>
+{% endblock %}